Crack means the action of removing the copy protection from commercial software. A crack is a program, set of instructions or patch used to remove copy protection from a piece of software or to unlock features from a demo or time-limited trial.

What is a Serial?

Serial means a unique number or code which identifies the license of the software as being valid. All retail software uses a serial number of some type, and the installation requires the user to enter a valid serial number to continue.

What is a Keygen?

Keygen means a small program that will generate a cd key, serial number, activation number, license code or registration number for a piece of software. Keygen is short for Key Generator. A keygen is made available through crack groups for free download.